.text-center h3{
  font-size: 36px;
  background-image: linear-gradient(135deg, white,#2c3e50,white);
  color:transparent;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  font-family: 楷体, 新宋体, 微软雅黑;
}